A certain store sold pens for $0.35 each and pencils for $0.25 each.
A certain store sold pens for $0.35 each and pencils for $0.25 each. If a customer purchased both pens and pencils from the store for a total of $3.00, what total number of pens and pencils did the customer purchase?
Answer/Solution
10
Steps/Work
Answer: Algebraically, the question looks like this: 3.0 = 0.35x + 0.25y
There are six possible numbers of pens that fit that requirement:
1 pen: $0.35
2 pens: $0.70
3 pens: $1.05
4 pens: $1.40
5 pens: $1.75 balance 1.25
5 pencils cost $1.25
That's 5 pens and 5 pencils Choice (C) is correct.
There are six possible numbers of pens that fit that requirement:
1 pen: $0.35
2 pens: $0.70
3 pens: $1.05
4 pens: $1.40
5 pens: $1.75 balance 1.25
5 pencils cost $1.25
That's 5 pens and 5 pencils Choice (C) is correct.